CVE-2015-5283

CVE-2015-5283 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.7)
• EPSS exploit prediction: 1% (42nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Linux Linux Kernel
• Published: 2015-10-19
• Last modified: 2026-06-17

Description

The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence of protocol-initialization steps, which allows local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the steps have finished.

Frequently asked questions

What is CVE-2015-5283?

The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence of protocol-initialization steps, which allows local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the steps have finished.

How severe is CVE-2015-5283?

CVE-2015-5283 has a CVSS 2.0 base score of 4.7, rated medium severity.

Is CVE-2015-5283 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5283?

CVE-2015-5283 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-5283?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-5283 published?

CVE-2015-5283 was published on 2015-10-19 and last updated on 2026-06-17.

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4
• http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
• http://patchwork.ozlabs.org/patch/515996/
• http://www.debian.org/security/2015/dsa-3372
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.3
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
• http://www.securityfocus.com/bid/77058
• http://www.securitytracker.com/id/1033808
• http://www.ubuntu.com/usn/USN-2823-1
• http://www.ubuntu.com/usn/USN-2826-1
• http://www.ubuntu.com/usn/USN-2829-1
• http://www.ubuntu.com/usn/USN-2829-2
• https://bugzilla.redhat.com/show_bug.cgi?id=1257528
• https://github.com/torvalds/linux/commit/8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4
• https://security-tracker.debian.org/tracker/CVE-2015-5283

Affected products (1)

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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